Finding the Fourth Proportional to 53,639,696.70, 80,459,545.05 and 19,562,154.30
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Solution
The fourth proportional to 53,639,696.70, 80,459,545.05 and 19,562,154.30 is: 29,343,231.45
Step by Step Solution
- Step 1: Write the proportion equation
53,639,696.70 : 80,459,545.05 = 19,562,154.30 : x - Step 2: Convert to fraction form
53,639,696.70/80,459,545.05 = 19,562,154.30/x - Step 3: Cross multiply
53,639,696.70x = 80,459,545.05 × 19,562,154.30 - Step 4: Simplify right side
53,639,696.70x = 1,573,962,035,175,901.25 - Step 5: Solve for x
x = 1,573,962,035,175,901.25/53,639,696.70 - Step 6: Final answer
x = 29,343,231.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.